<!DOCTYPE html>
<HTML>
<HEAD>
    <TITLE> ZTREE DEMO - Async</TITLE>
    <meta content="text/html; charset=UTF-8" http-equiv="content-type">
    <link href="../../../css/demo.css" rel="stylesheet" type="text/css">
    <link href="../../../css/zTreeStyle/zTreeStyle.css" rel="stylesheet" type="text/css">
    <script src="../../../js/jquery-1.4.4.min.js" type="text/javascript"></script>
    <script src="../../../js/jquery.ztree.core.js" type="text/javascript"></script>
    <!--  <script type="text/javascript" src="../../../js/jquery.ztree.excheck.js"></script>
      <script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>-->
    <SCRIPT type="text/javascript">
        <!--
        var setting = {
            async: {
                enable: true,
                url: "../asyncData/getNodes.php",
                autoParam: ["id", "name=n", "level=lv"],
                otherParam: {"otherParam": "zTreeAsyncTest"},
                dataFilter: filter
            }
        };

        function filter(treeId, parentNode, childNodes) {
            if (!childNodes) return null;
            for (var i = 0, l = childNodes.length; i < l; i++) {
                childNodes[i].name = childNodes[i].name.replace(/\.n/g, '.');
            }
            return childNodes;
        }

        $(document).ready(function () {
            $.fn.zTree.init($("#treeDemo"), setting);
        });
        //-->
    </SCRIPT>
</HEAD>

<BODY>
<h1>异步加载节点数据的树</h1>
<h6>[ 文件路径: core/async.html ]</h6>
<div class="content_wrap">
    <div class="zTreeDemoBackground left">
        <ul class="ztree" id="treeDemo"></ul>
    </div>
    <div class="right">
        <ul class="info">
            <li class="title"><h2>1、setting 配置信息说明</h2>
                <ul class="list">
                    <li class="highlight_red">使用异步加载，必须设置 setting.async 中的各个属性，详细请参见 API 文档中的相关内容</li>
                </ul>
            </li>
            <li class="title"><h2>2、treeNode 节点数据说明</h2>
                <ul class="list">
                    <li>异步加载功能对于 treeNode 节点数据没有特别要求，如果采用简单 JSON 数据，请设置 setting.data.simple 中的属性</li>
                    <li>如果异步加载每次都只返回单层的节点数据，那么可以不设置简单 JSON 数据模式</li>
                </ul>
            </li>
            <li class="title"><h2>3、其他说明</h2>
                <ul class="list">
                    <li class="highlight_red">观察 autoParam 和 otherParam 请使用 firebug 或 浏览器的开发人员工具</li>
                    <li class="highlight_red">此 Demo 只能加载到第 4 级节点（level=3）</li>
                    <li class="highlight_red">此 Demo 利用 dataFilter 对节点的 name 进行了修改</li>
                </ul>
            </li>
        </ul>
    </div>
</div>
</BODY>
</HTML>